// Copyright 2016-2019 hxmhlt
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package directory

import (
	"sync"
)
import (
	"go.uber.org/atomic"
)
import (
	"gitee.com/dubbogo/dubbo-go/common"
)

type BaseDirectory struct {
	url       *common.URL
	destroyed *atomic.Bool
	mutex     sync.Mutex
}

func NewBaseDirectory(url *common.URL) BaseDirectory {
	return BaseDirectory{
		url:       url,
		destroyed: atomic.NewBool(false),
	}
}
func (dir *BaseDirectory) GetUrl() common.URL {
	return *dir.url
}

func (dir *BaseDirectory) Destroy(doDestroy func()) {
	if dir.destroyed.CAS(false, true) {
		dir.mutex.Lock()
		doDestroy()
		dir.mutex.Unlock()
	}
}

func (dir *BaseDirectory) IsAvailable() bool {
	return !dir.destroyed.Load()
}
